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pro vyhledávání: '"Martha Guy"'
The effects of lime addition on aquatic macrophytes in hard water: in situ and microcosm experiments
Autor:
Meike Holst, Patricia A. Chambers, Mary E. Ferguson, Mark Serediak, Ellie E. Prepas, Martha Guy
Publikováno v:
Freshwater Biology. 46:1121-1138
1. Aquatic macrophytes are abundant in ponds and canals that are constructed in semi-arid regions for water storage and conveyance, as well as in lakes that are culturally enriched. 2. Addition of Ca(OH) 2 to two hardwater ponds at 250 or 275 mg L -1
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 51:1330-1337
The decline in total phosphorus (TP) in the surface waters of 40 oligotrophy to mesotrophic lakes during stratification varied from 0 to 59.0%. Sediment traps were deployed in four of the lakes to examine the relationship between decline in TP and se
Publikováno v:
Integrated environmental assessment and management. 7(3)
The purpose of this study was to investigate how well single-species laboratory data predict real-world pesticide toxicity effects on Crustacea. Data from field pesticide exposures from experimental mesocosm and small pond studies were converted into